*{
    margin: 0;
    padding: 0;
}
#warpper
{
    width: 1200px;
    height: 720px;
    background-color: #90C5A9;
    margin: 0 auto;
}

#left
{
    position: fixed;
    left: 0px;
    bottom: 0px;
    width: 394px;
    height: 456px;
    background:url(../images/bg-left-.webp) no-repeat;
}

#right
{
    position: fixed;
    right: 0px;
    bottom: 0px;
    width: 478px;
    height: 412px;
    background: url(../images/bg-right-.webp) no-repeat;
}

#form
{
    width: 700px;
    height: 600px;
    background-color: aqua;
    position: absolute;
    z-index: 999;
    left: 30%;
    right: 30%;
    box-shadow: 2px 2px 10px #9c9293;
   
}

#form_left
{
    width: 350px;
    height: 600px;
    float: left;
    background-color: #72AC93;
}
#form_right /*登陆*/
{
    width: 350px;
    height: 600px;
    float: right;
    background-color: #699E87;
    text-align: center;
    line-height: 50px;
}
#null
{
    width: 1200px;
    height: 150px;
}

#userID
{
    width: 200px;
    height: 30px;
    background-color: darkturquoise;
}

#password
{
    width: 200px;
    height: 30px;
    
}

#login
{
    width: 111px;
    height: 60px;
    background:#9BCE7D;
    cursor: pointer;
}

#login:hover
{
    background-color:#9BCE7D;
    box-shadow: 10px 10px 99px 6px rgba(85, 255, 127, 1.0);
}

.error_tip
{
    font-size: 14px;
}